Powermta Configuration Guide Top | PC NEWEST |

Example:

Proper bounce management protects your sender reputation by removing invalid addresses before they trigger high hard-bounce metrics. Bounce Parsing Configuration

Run the installer: rpm -ivh PowerMTA-5.X.X.rpm or dpkg -i PowerMTA.deb . Place your license file in /etc/pmta/license . powermta configuration guide top

Add the following directives to your config and restart PowerMTA:

Ensure the host-name parameter matches the reverse DNS (rDNS) pointing to that specific source IP. kill the connection.

KumoMTA, in particular, has emerged as the most compelling open‑source alternative. It matches PowerMTA’s high‑volume capabilities, adds native Lua scripting for dynamic configuration, and carries no licensing costs.

bounce-after 4d retry-after 30m

If a remote mail server is silent, kill the connection.